<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<style type="text/css">
		.tu {
			width: 122px;
			height: 90px;
			background: url(img/icon-see-2.png) no-repeat;
			transform: rotate(45deg);
			-webkit-transform: rotate(360deg);
			-ms-transform: rotate(45deg);
		}
		.tu:hover {
			animation: Rotate 0.3s linear forwards;
			-webkit-animation: Rotate 0.3s linear forwards;
			-moz-animation: Rotate 0.3s linear forwards;
			-ms-animation: Rotate 0.3s linear forwards;
			-o-animation: Rotate 0.3s linear forwards;
		}
		
		@-webkit-keyframes Rotate {
			0% {
				transform: rotate(0deg);
				-webkit-transform: rotate(0deg);
				-ms-transform: rotate(0deg);
			}
			50% {
				transform: rotate(180deg);
				-webkit-transform: rotate(180deg);
				-ms-transform: rotate(180deg);
			}
			100% {
				transform: rotate(360deg);
				-webkit-transform: rotate(360deg);
				-ms-transform: rotate(360deg);
			}
		}
	</style>

	<body>
		<div class="tu">

		</div>
	</body>

</html>